1 files changed, 0 insertions, 42 deletions
diff --git a/chapter25/src/main/smp/sys/Scan.smp b/chapter25/src/main/smp/sys/Scan.smp
deleted file mode 100644
index acf9fbb8..00000000
--- a/chapter25/src/main/smp/sys/Scan.smp
+++ /dev/null
@@ -1,42 +0,0 @@
-// -*- mode: java;  -*-
-
-// Scanner; a simple string parser.
-struct Scan {
-    int !x;                     // Cursor
-    bool !bad;                  // True after a malformed token
-    u8[~] buf;                  // Immutable byte array, must be set in 2nd constructor
-
-    new Scan = { u8[~] b ->
-        buf = b;
-    };
-
-    // Skip whitespace
-    val skip = { ->
-        while( x < buf# && buf[x] <= ' ' )
-            x++;
-        return self;
-    };
-
-    // True if find required character, and skip it; else False.
-    val match = { u8 c ->
-        skip();
-        if( x >= buf# ) return false;
-        if( buf[x] != c ) return false;
-        x++;
-        return true;
-    };
-
-    // Parse a simple number
-    val number = { ->
-        skip();
-        bool neg = match('-');
-        if( x >= buf# || buf[x] < '0' || '9' < buf[x] ) {
-            bad = true;
-            return 0;
-        }
-        i64 n = 0;
-        while( x < buf# && '0' <= buf[x] & buf[x] <= '9' )
-            n = n*10 + (buf[x++] - '0');
-        return neg ? -n : n;
-    };
-};